PT-2025-43071 · Linux+1 · Linux Kernel+1

Published 2022-11-16 · Updated 2025-12-04 · CVE-2022-50561

Positive Technologies (AI Summary)

CVSS v2.0

4.6

Medium

Base vector

AV:L/AC:L/Au:S/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description The Linux kernel contains a memory leak in the iio device register eventset() function. Specifically, when iio device register sysfs group() fails, the attrs array is not freed, leading to a memory leak detected by kmemleak. The affected code is located at drivers/iio/industrialio-event.c:541, drivers/iio/industrialio-core.c:1959, and drivers/iio/industrialio-core.c:2040. The backtrace indicates the involvement of kmalloc and functions related to device registration.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Improper Resource Release

Memory Leak

Weakness Enumeration

CWE-404

CWE-401

Related Identifiers

BDU:2026-03738

CVE-2022-50561

SUSE-SU-2025:4111-1

SUSE-SU-2025:4139-1

SUSE-SU-2025:4149-1

SUSE-SU-2025:4320-1

Affected Products

Linux Kernel

Suse

References · 449

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50561.json · Exploit
• https://cve.org/CVERecord?id=CVE-2022-50561 · Security Note
• https://osv.dev/vulnerability/CVE-2022-50561 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-50561 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:4111-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-50561 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-50561 · Security Note
• https://bdu.fstec.ru/vul/2026-03738 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2025:4320-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:4149-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-50561 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:4139-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2022-50561 · Vendor Advisory
• https://suse.com/security/cve/CVE-2023-53578 · Note
• https://bugzilla.suse.com/1251230 · Note